We take a look at some of the contenders for the ATP World Tour Final crown (other than Novak Djokovic).

Andy Murray

How’s his season been?

He’s back to number two in the world, and made the final of the Paris ATP tournament, eventually losing out to Djokovic.

Does he have a chance?

He’s been struggling for fitness recently – it was only a few months ago Murray had been rumoured to be considering pulling out of the tournament in order to be fit for the Davis Cup. Will his mind be elsewhere?

What are the odds?

You can get 12-1 – not too bad for a top seed in his prime years.

Also online: ATP World Tour Finals tennis tournament set to arrive at The O2

Roger Federer

How’s his season been?

He’s continued to defy the critics and is still regarded as one of the world’s best at age 34 – an extreme rarity in such an energy-intensive sport. He beat Nadal in the final of the Swiss Indoors Championship in Basel, and has shown fine form throughout the season.

Does he have a chance?

Despite defeating an admittedly out of form Rafa Nadal on November 1, recent defeats to Novak Djokovic show the Serbian is still streets ahead of the rest of the tennis world. He will have to hope for an off-week for Djokovic.

What are the odds?

4-1 – may seem expensive for a 34-year-old, but Fed continues to surprise

Rafa Nadal

How’s his season been?

Awful. Once the world’s most feared player, Nadal has been a shadow of his former self, sustaining numerous injuries and failing to qualify for the last eight of a Grand Slam since his second round defeat at Wimbledon.

Does he have a chance?

While Nadal no longer possesses the brute physicality of previous years, his improved form since returning from injury has nevertheless been encouraging. But he has a lot of work to do, both physically and mentally, to get over his recent disappointments on the big stage.

What are the odds?

20-1 – his best years may be behind him, but he’ll be desperate to finish a torrid season with success

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• Also online: Who are the final eight at the ATP World Tour finals